@NAChristakis @barrywellman Did anyone recently find 6? Big problem with FB study is the population. FB people are online, more connected.
@AmarDhand @NAChristakis Connectivity—telephone, Facebook, railroads, etc—change where your nodes are. Obviously that changes.
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@AmarDhand@NAChristakis But I repeat my question: if you think 6 is stable & immutable, since when? Modernity? Bronze Age? Since 1953?Thanks. Twitter will use this to make your timeline better. UndoUndo
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